非确定性计算的概念是计算机科学中最重要的思想之一。

I’ve played with a broken hand, a sprained ankle, a torn shoulder, a fractured tooth, a severed lip, and a knee the size of a softball. I don’t miss games because of a toe injury that everybody knows wasn’t that serious in the first place.

译文：不吝惜花很多钱买一把宝刀，用貂皮大衣换酒喝也堪称豪迈。要多多珍重这一腔热血，洒出去还能化作汹涌的波涛。

Democracy is not just voting, it's a way of life based on the respect of diversity and tolerance.